/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* Gallium configuration defines.
*
* This header file sets several defines based on the compiler, processor
* architecture, and operating system being used. These defines should be used
* throughout the code to facilitate porting to new platforms. It is likely that
* this file is auto-generated by an autoconf-like tool at some point, as some
* things cannot be determined by pre-defined environment alone.
*
* See also:
* - http://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
* - echo | gcc -dM -E - | sort
* - http://msdn.microsoft.com/en-us/library/b0084kay.aspx
*
* @author José Fonseca <jrfonseca@tungstengraphics.com>
*/
#ifndef P_CONFIG_H_
#define P_CONFIG_H_
#include <limits.h>
/*
* Compiler
*/
#if defined(__GNUC__)
#define PIPE_CC_GCC
#define PIPE_CC_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
#endif
/*
* Meaning of _MSC_VER value:
* - 1400: Visual C++ 2005
* - 1310: Visual C++ .NET 2003
* - 1300: Visual C++ .NET 2002
*
* __MSC__ seems to be an old macro -- it is not pre-defined on recent MSVC
* versions.
*/
#if defined(_MSC_VER) || defined(__MSC__)
#define PIPE_CC_MSVC
#endif
#if defined(__ICL)
#define PIPE_CC_ICL
#endif
#if defined(__SUNPRO_C) || defined(__SUNPRO_CC)
#define PIPE_CC_SUNPRO
#endif
/*
* Processor architecture
*/
#if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */
#define PIPE_ARCH_X86
#endif
#if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */
#define PIPE_ARCH_X86_64
#endif
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
#if defined(PIPE_CC_GCC) && !defined(__SSE2__)
/* #warning SSE2 support requires -msse -msse2 compiler options */
#else
#define PIPE_ARCH_SSE
#endif
#if defined(PIPE_CC_GCC) && !defined(__SSSE3__)
/* #warning SSE3 support requires -msse3 compiler options */
#else
#define PIPE_ARCH_SSSE3
#endif
#endif
#if defined(__ppc__) || defined(__ppc64__) || defined(__PPC__)
#define PIPE_ARCH_PPC
#if defined(__ppc64__) || defined(__PPC64__)
#define PIPE_ARCH_PPC_64
#endif
#endif
#if defined(__s390x__)
#define PIPE_ARCH_S390
#endif
/*
* Endian detection.
*/
#ifdef __GLIBC__
#include <endian.h>
#if __BYTE_ORDER == __LITTLE_ENDIAN
# define PIPE_ARCH_LITTLE_ENDIAN
#elif __BYTE_ORDER == __BIG_ENDIAN
# define PIPE_ARCH_BIG_ENDIAN
#endif
#elif defined(__APPLE__)
#include <machine/endian.h>
#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
# define PIPE_ARCH_LITTLE_ENDIAN
#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
# define PIPE_ARCH_BIG_ENDIAN
#endif
#elif defined(__sun)
#include <sys/isa_defs.h>
#if defined(_LITTLE_ENDIAN)
# define PIPE_ARCH_LITTLE_ENDIAN
#elif defined(_BIG_ENDIAN)
# define PIPE_ARCH_BIG_ENDIAN
#endif
#else
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
#define PIPE_ARCH_LITTLE_ENDIAN
#elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) || defined(PIPE_ARCH_S390)
#define PIPE_ARCH_BIG_ENDIAN
#endif
#endif
#if !defined(PIPE_ARCH_LITTLE_ENDIAN) && !defined(PIPE_ARCH_BIG_ENDIAN)
#error Unknown Endianness
#endif
/*
* Auto-detect the operating system family.
*
* See subsystem below for a more fine-grained distinction.
*/
#if defined(__linux__)
#define PIPE_OS_LINUX
#define PIPE_OS_UNIX
#endif
/*
* Android defines __linux__ so PIPE_OS_LINUX and PIPE_OS_UNIX will also be
* defined.
*/
#if defined(ANDROID)
#define PIPE_OS_ANDROID
#endif
#if defined(__FreeBSD__)
#define PIPE_OS_FREEBSD
#define PIPE_OS_BSD
#define PIPE_OS_UNIX
#endif
#if defined(__OpenBSD__)
#define PIPE_OS_OPENBSD
#define PIPE_OS_BSD
#define PIPE_OS_UNIX
#endif
#if defined(__NetBSD__)
#define PIPE_OS_NETBSD
#define PIPE_OS_BSD
#define PIPE_OS_UNIX
#endif
#if defined(__GNU__)
#define PIPE_OS_HURD
#define PIPE_OS_UNIX
#endif
#if defined(__sun)
#define PIPE_OS_SOLARIS
#define PIPE_OS_UNIX
#endif
#if defined(__APPLE__)
#define PIPE_OS_APPLE
#define PIPE_OS_UNIX
#endif
#if defined(_WIN32) || defined(WIN32)
#define PIPE_OS_WINDOWS
#endif
#if defined(__HAIKU__)
#define PIPE_OS_HAIKU
#define PIPE_OS_UNIX
#endif
#if defined(__CYGWIN__)
#define PIPE_OS_CYGWIN
#define PIPE_OS_UNIX
#endif
/*
* Try to auto-detect the subsystem.
*
* NOTE: There is no way to auto-detect most of these.
*/
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
#define PIPE_SUBSYSTEM_DRI
#endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */
#if defined(PIPE_OS_WINDOWS)
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
/* Windows User-space Library */
#else
#define PIPE_SUBSYSTEM_WINDOWS_USER
#endif
#endif /* PIPE_OS_WINDOWS */
#endif /* P_CONFIG_H_ */